EP4026325A4 - RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING - Google Patents

RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING Download PDF

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Publication number
EP4026325A4
EP4026325A4 EP20865495.4A EP20865495A EP4026325A4 EP 4026325 A4 EP4026325 A4 EP 4026325A4 EP 20865495 A EP20865495 A EP 20865495A EP 4026325 A4 EP4026325 A4 EP 4026325A4
Authority
EP
European Patent Office
Prior art keywords
video coding
loop filtering
adaptive loop
component adaptive
constrained cross
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20865495.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4026325A1 (en
Inventor
Ching-Yeh Chen
Olena CHUBACH
Tzu-Der Chuang
Chih-Wei Hsu
Yu-Wen Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HFI Innovation Inc
Original Assignee
HFI Innovation Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HFI Innovation Inc filed Critical HFI Innovation Inc
Publication of EP4026325A1 publication Critical patent/EP4026325A1/en
Publication of EP4026325A4 publication Critical patent/EP4026325A4/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20865495.4A 2019-09-16 2020-09-16 RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING Pending EP4026325A4 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962900702P 2019-09-16 2019-09-16
US201962940321P 2019-11-26 2019-11-26
US201962954024P 2019-12-27 2019-12-27
US202062956356P 2020-01-02 2020-01-02
US17/021,050 US11202068B2 (en) 2019-09-16 2020-09-15 Method and apparatus of constrained cross-component adaptive loop filtering for video coding
PCT/CN2020/115570 WO2021052361A1 (en) 2019-09-16 2020-09-16 Method and apparatus of constrained cross-component adaptive loop filtering for video coding

Publications (2)

Publication Number Publication Date
EP4026325A1 EP4026325A1 (en) 2022-07-13
EP4026325A4 true EP4026325A4 (en) 2023-05-31

Family

ID=74869977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20865495.4A Pending EP4026325A4 (en) 2019-09-16 2020-09-16 RESTRICTED CROSS-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS FOR VIDEO CODING

Country Status (6)

Country Link
US (1) US11202068B2 (zh)
EP (1) EP4026325A4 (zh)
KR (1) KR20220046686A (zh)
CN (2) CN114430903B (zh)
TW (1) TWI751703B (zh)
WO (1) WO2021052361A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3928524A4 (en) * 2019-04-15 2022-06-22 Beijing Bytedance Network Technology Co., Ltd. TIME PREDICTION OF PARAMETERS IN A NONLINEAR ADAPTIVE LOOP FILTER
WO2021027774A1 (en) 2019-08-10 2021-02-18 Beijing Bytedance Network Technology Co., Ltd. Subpicture dependent signaling in video bitstreams
BR112022006387A2 (pt) 2019-10-02 2022-07-26 Beijing Bytedance Network Tech Co Ltd Método e aparelho de processamento de vídeo, e, meio legível por computador
CN114631317B (zh) * 2019-10-18 2024-03-15 北京字节跳动网络技术有限公司 子图片的参数集信令中的语法约束
WO2021083257A1 (en) 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive loop filter
CN115176480A (zh) * 2019-12-18 2022-10-11 北京达佳互联信息技术有限公司 用于视频编解码的跨分量自适应环路滤波器
EP4087243A4 (en) * 2019-12-31 2023-09-06 SZ DJI Technology Co., Ltd. LOOP FILTRATION METHOD AND APPARATUS
WO2021195500A1 (en) * 2020-03-26 2021-09-30 Alibaba Group Holding Limited Method and apparatus for cross component filtering
WO2024146624A1 (en) * 2023-01-06 2024-07-11 Mediatek Inc. Method and apparatus for adaptive loop filter with cross-component taps for video coding

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4029272A1 (en) * 2019-09-11 2022-07-20 SHARP Kabushiki Kaisha Systems and methods for reducing a reconstruction error in video coding based on a cross-component correlation

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Publication number Priority date Publication date Assignee Title
US9094658B2 (en) 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
WO2012092841A1 (en) * 2011-01-03 2012-07-12 Mediatek Inc. Method of filter-unit based in-loop filtering
US10129540B2 (en) 2012-04-10 2018-11-13 Texas Instruments Incorporated Reduced complexity coefficient transmission for adaptive loop filtering (ALF) in video coding
US20140301463A1 (en) * 2013-04-05 2014-10-09 Nokia Corporation Method and apparatus for video coding and decoding
US10200700B2 (en) * 2014-06-20 2019-02-05 Qualcomm Incorporated Cross-component prediction in video coding
US20180041778A1 (en) * 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US10506230B2 (en) * 2017-01-04 2019-12-10 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support
US11102483B2 (en) * 2019-05-17 2021-08-24 Panasonic Intellectual Property Corporation Of America System and method for video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4029272A1 (en) * 2019-09-11 2022-07-20 SHARP Kabushiki Kaisha Systems and methods for reducing a reconstruction error in video coding based on a cross-component correlation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BUDAGAVI (TI) M: "AHG6: Simplification of ALF filter coefficients coding", no. JCTVC-I0346, 29 April 2012 (2012-04-29), XP030234026, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jct/doc_end_user/documents/9_Geneva/wg11/JCTVC-I0346-v3.zip JCTVC-I0346-r1.doc> [retrieved on 20120429] *
MISRA (SHARPLABS) K ET AL: "CE5-Related: Reducing multiplier count in CC-ALF", no. JVET-P0468 ; m50436, 5 October 2019 (2019-10-05), XP030217400, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0468-v3.zip JVET-P0468-v3.docx> [retrieved on 20191005] *

Also Published As

Publication number Publication date
US20210084295A1 (en) 2021-03-18
WO2021052361A1 (en) 2021-03-25
TWI751703B (zh) 2022-01-01
TW202114416A (zh) 2021-04-01
CN116389736A (zh) 2023-07-04
CN114430903A (zh) 2022-05-03
US11202068B2 (en) 2021-12-14
KR20220046686A (ko) 2022-04-14
CN114430903B (zh) 2023-10-13
EP4026325A1 (en) 2022-07-13

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